HP Vectra VE C/xxx 7 HP Vectra VE C/xxx Series 7 PC - Upgrade and Maintenance - Page 99
E - 002F NS309 Configuration registers
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I/O Addresses used by PC 4 Troubleshooting Your PC Technical Information 0000 - 000F DMA controller 1 0020 - 0021 Master interrupt controller (8259) 002E - 002F NS309 Configuration registers 0040 - 0043 Timer 1 0060, 0064 Keyboard controller (reset, slow A20) 0061 Port B (speaker, NMI status and control) 0070 Bit 7: NMI mask register 0070 - 0071 RTC and CMOS data 0080 Manufacturing port (POST card) 0081 - 0083, 008F DMA low page register 0092 PS/2 reset and Fast A20 00A0 - 00A1 Slave interrupt controller 00C0 - 00DF DMA controller 2 00F0 - 00FF Co-processor error 0170 - 0177 IDE secondary channel 01F0 - 01F7 IDE primary channel 0278 - 027F LPT 2 02E8 - 02EF Serial port 4 (COM4) 02F8 - 02FF Serial port 2 (COM2) 0372 - 0377 IDE secondary channel, secondary flexible disk drive 0378 - 037A LPT1 03B0 - 03DF VGA 03E8 - 03EF COM3 03F0h- 03F5 Flexible disk drive controller 03F6 IDE primary channel 03F7 Flexible disk drive controller 03F8 - 03FF COM1 04D0 - 04D1 Interrupt edge/level control 0678 - 067B LPT2 ECP 0778 - 077B LPT1 ECP 0CF8 - 0CFF PCI configuration space English 89
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